*SUPPORT*
IN: tufa OUT: PINK
IN: tufa kiki fep OUT: PINK YELLOW YELLOW
IN: tufa dax zup kiki OUT: PINK YELLOW GREEN
IN: kiki gazzer lug tufa zup dax OUT: YELLOW BLUE GREEN PINK
IN: dax fep OUT: GREEN GREEN
IN: tufa tufa gazzer zup gazzer OUT: PINK PINK BLUE BLUE
IN: gazzer dax zup tufa OUT: BLUE PINK GREEN
IN: gazzer kiki gazzer gazzer fep lug dax dax OUT: BLUE YELLOW BLUE BLUE BLUE GREEN GREEN
IN: kiki OUT: YELLOW
IN: gazzer OUT: BLUE
IN: kiki tufa kiki zup gazzer OUT: YELLOW PINK BLUE YELLOW
IN: kiki zup tufa OUT: PINK YELLOW
IN: gazzer tufa fep OUT: BLUE PINK PINK
IN: dax zup tufa lug dax fep OUT: PINK GREEN GREEN GREEN

*QUERY*
IN: tufa zup kiki OUT: YELLOW PINK
IN: kiki fep OUT: YELLOW YELLOW
IN: dax tufa gazzer OUT: GREEN PINK BLUE
IN: tufa zup gazzer OUT: BLUE PINK
IN: gazzer tufa OUT: BLUE PINK
IN: dax zup kiki OUT: YELLOW GREEN
IN: dax tufa zup tufa OUT: GREEN PINK PINK
IN: kiki zup dax OUT: GREEN YELLOW
IN: dax OUT: GREEN
IN: dax lug gazzer zup dax OUT: GREEN GREEN BLUE

*GRAMMAR*
kiki -> YELLOW 
 dax -> GREEN 
 tufa -> PINK 
 gazzer -> BLUE 
 x1 lug x2 -> [x1] [x2] 
 u1 fep -> [u1] [u1] 
 u1 zup u2 -> [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 